A 120 V potential difference is applied to a space heater whose resistance is 15.7 Ω...
A 120 V potential difference is applied to a space heater whose resistance is 15.7 Ω when hot.
A. At what rate is electrical energy being transferred to thermal energy?
B. How much thermal energy is produced in 3.3 hours?
C. If costs 10.0 cents per kW·h, how much does it cost to operate the device for 3.3 hours? (Give your answer in dollars, but do not include the dollar sign.)
Homework Answers
Add Answer to:
A 120 V potential difference is applied to a space heater whose
resistance is 15.7 Ω...
Chapter 26, Problem 041 A 120 V potential difference is applied to a space heater whose...
Chapter 26, Problem 041 A 120 V potential difference is applied to a space heater whose resistance is 15 Ω when hot. (a) At what rate is electrical energy transferred to thermal energy? (b) What is the cost for 5.5 h at US$0.05/kW·h?
4, A 120 V potential difference is applied to a space heater whose resistance is 14...
4, A 120 V potential difference is applied to a space heater whose resistance is 14 ? when hot. (a) At what rate is the electrical energy transferred to thermal energy? (b) What is the cost for 5.0h at USS0.05/kW.h?
Chapter 26, Problem 053 A 120 V potential difference is applied to a space heater that...
Chapter 26, Problem 053 A 120 V potential difference is applied to a space heater that dissipates 708 W during operation. (a) What is its resistance during operation? (b) At what rate do electrons flow through any cross section of the heater element? (a) Number Uriiii (b) Number Units
A wire of resistance 3.0 Ω is connected to a battery whose emf ℰ is 2.0...
A wire of resistance 3.0 Ω is connected to a battery whose emf ℰ is 2.0 V and whose internal resistance is 1.0 Ω. (a) How much energy in J is transferred from chemical to electrical form in 3.0 min? (b) How much energy in J appears in the wire as thermal energy in that time?
A 1720 W radiant heater is constructed to operate at 120 V. (a) What will be...
A 1720 W radiant heater is constructed to operate at 120 V. (a) What will be the current in the heater? (b) What is the resistance of the heating coil? (c) How much thermal energy is generated in 1.0 h?
Part A : The resistance of an electric heater is 90 Ω when connected to 120...
Part A : The resistance of an electric heater is 90 Ω when connected to 120 V. How much energy does it use during 15 min of operation? (answer in J) Part B : The lightbulb used in a computer projector has a resistance of 71 Ω. What is the current through the bulb when it is operating on 120 V? ( answer in A )
The 120 V electric heater in a coffee maker has a resistance of 15 Ω. How...
The 120 V electric heater in a coffee maker has a resistance of 15 Ω. How long will it take for this heater to raise 7 cups (1540 g) of water from 20∘C to the ideal brewing temperature of 90∘C? Express your answer in minutes.
A 16.8 Ω and a 22 Ω resistor are connected parallel. A difference in potential of...
A 16.8 Ω and a 22 Ω resistor are connected parallel. A difference in potential of 41.5 V is applied to the combination. What is the equivalent resistance of the parallel circuit? Answer in units of Ω 020 (part 2 of 3) 10.0 points What is the current in the circuit? Answer in units ofA 021 (part 3 of 3) 10.0 points How much current passes through the 16.8 Ω resistor? Answer in units ofA
A 100 mH inductor whose windings have a resistance of 4.0 Ω is connected across a 12 V battery...
A 100 mH inductor whose windings have a resistance of 4.0 Ω is connected across a 12 V battery having an internal resistance of 2.0 Ω. How much energy is stored in the inductor?
A parallel plate capacitance whose insulation can withstand an applied potential difference of 8000 volts has...
A parallel plate capacitance whose insulation can withstand an applied potential difference of 8000 volts has a capacitance of 2.5x10^-6 F. (a) What is the maximum energy the capacitor can store? (b) How much charge should be moved to lower potential of capacitance of 6000 volts?
4, A 120 V potential difference is applied to a space heater whose resistance is 14 ? when hot. (a) At what rate is the electrical energy transferred to thermal energy? (b) What is the cost for 5.0h at USS0.05/kW.h?
Chapter 26, Problem 053 A 120 V potential difference is applied to a space heater that dissipates 708 W during operation. (a) What is its resistance during operation? (b) At what rate do electrons flow through any cross section of the heater element? (a) Number Uriiii (b) Number Units
A 1720 W radiant heater is constructed to operate at 120 V. (a) What will be the current in the heater? (b) What is the resistance of the heating coil? (c) How much thermal energy is generated in 1.0 h?
A 16.8 Ω and a 22 Ω resistor are connected parallel. A difference in potential of 41.5 V is applied to the combination. What is the equivalent resistance of the parallel circuit? Answer in units of Ω 020 (part 2 of 3) 10.0 points What is the current in the circuit? Answer in units ofA 021 (part 3 of 3) 10.0 points How much current passes through the 16.8 Ω resistor? Answer in units ofA
Most questions answered within 3 hours.
-
A horizontal wire is at y = 0. Current travels in the +x
direction. The magnetic...
asked 53 seconds from now -
Let X be a continuous random variable whose PDF is Let X be a
continuous random...
asked 20 minutes ago -
Martinez Company’s relevant range of production is 7,500 units
to 12,500 units. When it produces and...
asked 18 minutes ago -
A football with a mass of 1.2 kg is kicked from ground level to
a height...
asked 23 minutes ago -
Remember: Changes in supply determinants shift supply, and
changes in demand determinants shift demand. We say...
asked 22 minutes ago -
Why is the answer b), for this question? I came up with C) for
my incorrect...
asked 28 minutes ago -
Suppose that you know that in the population of full-time
employees in the United States, the...
asked 50 minutes ago -
This experiment was designed originally to sample various meat and carcass quality
aspects of Ontario pigs...
asked 51 minutes ago -
Dopamine Hydrochloride: draw the structure And Show the
functional groups in different colors and label the...
asked 43 minutes ago -
A rope supports a 10 kg dumbbell hanging from it. What is the
tension in the...
asked 42 minutes ago -
) Raw materials are studied for contamination. Suppose that
the number of particles of contamination per...
asked 1 hour ago -
After running a regression analysis we calculated an F test and
the significance level was 0.15....
asked 1 hour ago